[INFO] fetching crate msgp 0.1.1...
[INFO] testing msgp-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate msgp 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate msgp 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msgp 0.1.1
[INFO] finished tweaking crates.io crate msgp 0.1.1
[INFO] tweaked toml for crates.io crate msgp 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc42b1a1be902b11aadc72f39e90285d157ef511f4341cd772a51c7d75410502
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dc42b1a1be902b11aadc72f39e90285d157ef511f4341cd772a51c7d75410502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc42b1a1be902b11aadc72f39e90285d157ef511f4341cd772a51c7d75410502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc42b1a1be902b11aadc72f39e90285d157ef511f4341cd772a51c7d75410502", kill_on_drop: false }`
[INFO] [stdout] dc42b1a1be902b11aadc72f39e90285d157ef511f4341cd772a51c7d75410502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7fdb4b448cdd68d27e45b6c02a1b7bc7d9fa496705c31c7e8f815e97f054ce0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7fdb4b448cdd68d27e45b6c02a1b7bc7d9fa496705c31c7e8f815e97f054ce0", kill_on_drop: false }`
[INFO] [stderr]    Compiling msgp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "f7fdb4b448cdd68d27e45b6c02a1b7bc7d9fa496705c31c7e8f815e97f054ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7fdb4b448cdd68d27e45b6c02a1b7bc7d9fa496705c31c7e8f815e97f054ce0", kill_on_drop: false }`
[INFO] [stdout] f7fdb4b448cdd68d27e45b6c02a1b7bc7d9fa496705c31c7e8f815e97f054ce0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 787e6d7314f87c45f4ae88c0c07823eaa240af506b0192e84e32398cfe5fee9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "787e6d7314f87c45f4ae88c0c07823eaa240af506b0192e84e32398cfe5fee9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling msgp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:268:26
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let res = decode((&vec![]));
[INFO] [stdout]     |                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:274:26
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let res = decode((&vec![0x81u8, 0x80u8]));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:280:26
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let res = decode((&vec![0x3u8, 0x01u8, 0x02u8]));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:286:26
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let res = decode((&vec![0x3u8, 0x01u8, 0x02u8, 0x03u8]));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "787e6d7314f87c45f4ae88c0c07823eaa240af506b0192e84e32398cfe5fee9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787e6d7314f87c45f4ae88c0c07823eaa240af506b0192e84e32398cfe5fee9b", kill_on_drop: false }`
[INFO] [stdout] 787e6d7314f87c45f4ae88c0c07823eaa240af506b0192e84e32398cfe5fee9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ea99186ef2fba734d98f8b7dd5eef864954b90b29211ee3c1efcf22f840e1c7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ea99186ef2fba734d98f8b7dd5eef864954b90b29211ee3c1efcf22f840e1c7", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:268:26
[INFO] [stderr]     |
[INFO] [stderr] 268 |         let res = decode((&vec![]));
[INFO] [stderr]     |                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:274:26
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let res = decode((&vec![0x81u8, 0x80u8]));
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:280:26
[INFO] [stderr]     |
[INFO] [stderr] 280 |         let res = decode((&vec![0x3u8, 0x01u8, 0x02u8]));
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:286:26
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let res = decode((&vec![0x3u8, 0x01u8, 0x02u8, 0x03u8]));
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/msgp-da7df366da684565
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::decode_sim_buf ... ok
[INFO] [stdout] test tests::decode_zero_buf ... ok
[INFO] [stdout] test tests::encode_len_eq_0 ... ok
[INFO] [stdout] test tests::decode_half_prefix_buf ... ok
[INFO] [stdout] test tests::encode_len_eq_16384 ... ok
[INFO] [stdout] test tests::encode_len_eq_128 ... ok
[INFO] [stdout] test tests::encode_len_lt_16384 ... ok
[INFO] [stdout] test tests::decode_half_buf ... ok
[INFO] [stdout] test tests::encode_len_lt_128 ... ok
[INFO] [stdout] test tests::decode_buf ... ok
[INFO] [stdout] test tests::decoder_sim ... ok
[INFO] [stdout] test tests::encode_len_eq_2097152 ... ok
[INFO] [stdout] test tests::encode_len_lt_2097152 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-c99bd6a2a27a9cf5
[INFO] [stdout] test tests::encode_len_lt_268435456 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests msgp
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ea99186ef2fba734d98f8b7dd5eef864954b90b29211ee3c1efcf22f840e1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea99186ef2fba734d98f8b7dd5eef864954b90b29211ee3c1efcf22f840e1c7", kill_on_drop: false }`
[INFO] [stdout] 9ea99186ef2fba734d98f8b7dd5eef864954b90b29211ee3c1efcf22f840e1c7